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Debt - Narrative (Details) - GM Financial - USD ($) $ in Billions | 1 Months Ended | 3 Months Ended
--- | --- | ---
Apr. 27, 2022 | Mar. 31, 2022
Line of Credit | Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Aggregate borrowing capacity |  | $ 1.9
Unsecured Debt | Line of Credit | $2.0 Billion Dollar Revolving Credit Facility |  |
Debt Instrument [Line Items] |  |
Debt term |  | 364 days
Aggregate borrowing capacity |  | $ 2.0
Unsecured Debt | Line of Credit | $2.0 Billion Dollar Revolving Credit Facility | Subsequent Event |  |
Debt Instrument [Line Items] |  |
Debt term | 364 days |
Aggregate borrowing capacity | $ 2.0 |
Unsecured Debt | Senior Notes |  |
Debt Instrument [Line Items] |  |
Principal amount |  | $ 3.7
Weighted average interest rate (percent) |  | 2.40%
Secured Debt | Notes Payable, Other Payables | Securitization notes payable |  |
Debt Instrument [Line Items] |  |
Principal amount |  | $ 5.2
Weighted average interest rate (percent) |  | 1.74%

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